<?php

/**
 * This is the model class for table "tbtt_user".
 *
 * The followings are the available columns in table 'tbtt_user':
 * @property integer $id
 * @property string $username
 * @property string $password
 * @property string $salt
 * @property string $email
 */

class User extends CActiveRecord
{
	/**
	 * Returns the static model of the specified AR class.
	 * @param string $className active record class name.
	 * @return User the static model class
	 */
        public $use_password_repeat;
        public $verifyCode;
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}

	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'tbtt_user';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('use_username, use_password, use_password_repeat, use_salt, use_email', 'required'),
			array('use_username, use_password, use_salt, use_email', 'length', 'max'=>128),
                        array('use_password','compare'),
                        array('use_password_repeat', 'safe'),
			// The following rule is used by search().
			// Please remove those attributes that should not be searched.
                   
			array('use_id, use_username, use_password, use_salt, use_email', 'safe', 'on'=>'search'),
                        array('verifyCode', 'captcha', 'allowEmpty'=>!CCaptcha::checkRequirements())
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'id' => 'ID',
			'username' => 'Username',
			'password' => 'Password',
			'salt' => 'Salt',
			'email' => 'Email',
                        'verifyCode'=>'Kiểm tra đăng ký tự động'
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search()
	{
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.
		$criteria=new CDbCriteria;

		$criteria->compare('id',$this->id);
		$criteria->compare('username',$this->username,true);
		$criteria->compare('password',$this->password,true);
		$criteria->compare('salt',$this->salt,true);
		$criteria->compare('email',$this->email,true);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}
        
          // hash password
        public function hashPassword($password, $salt)
        {
            return md5($salt.$password);
        }

        // password validation
        public function validatePassword($password)
        {
            return $this->hashPassword($password,$this->salt)===$this->password;
        }
        //generate salt
        public function generateSalt()
        {
            return uniqid('',true);
        }

        public function beforeValidate()
        {
            $this->salt = $this->generateSalt();
            return parent::beforeValidate();
        }

        public function beforeSave()
        {
            $this->password = $this->hashPassword($this->password, $this->salt);
            return parent::beforeSave();
        }
}